Ss_1218-0126(01-30-07)

SUPPORTING STATEMENT FOR THE
INFORMATION COLLECTION REQUIREMENTS OF THE
AERIAL LIFTS STANDARD (29 CFR 1926.453) 1
(OMB Control No. 1218-0216 (January 2007))

JUSTIFICATION
1. Explain the circumstances that make the collection of information necessary. Identify any legal or
administrative requirements that require the collection. Attach a copy of the appropriate section of each
statute and regulation mandating or authorizing the collection of information.

The main objective of the Occupational Safety and Health Act (OSH Act) is to “assure so far as
possible every working man and woman in the Nation safe and healthful working conditions and
to preserve our human resources” (29 U.S.C. 651). To achieve this objective, the OSH Act
specifically authorizes “the development and promulgation of occupational safety and health
standards” (29 U.S.C. 651). In addition, the OSH Act specifies that “[e]ach employer shall
make, keep and preserve, and make available to the Secretary . . . such records . . . as the
Secretary . . . may prescribe by regulation as necessary or appropriate for the enforcement of this
Act . . . .” (29 U.S.C. 657).
Under the authority granted by the OSH Act, the Occupational Safety and Health Administration
(OSHA) published the Aerial Lifts Standard, “the Standard” at 29 CFR 1926.453 to protect
employees who operate, or work near, aerial lifts. Items 2 and 12 below list and describe the
specific information-collection requirement of this Standard.
2. Indicate how, by whom, and for what purpose the information is to be used. Except for a new collection,
indicate the actual use the Agency has made of the information received from the current collection.

The only information collection requirement in the Aerial Lifts Standard is a certification
provision, paragraph (a)(2). This provision requires an employer who field modifies an aerial lift
for a use not intended by the lift manufacturer (“field modified aerial lift”) to obtain from that
manufacturer, or an equivalent entity (such as a nationally-recognized laboratory), a written
certificate stating that: The modification conforms to the applicable provisions of ANSI A92.21969 and OSHA’s Aerial Lifts Standard; and the modified aerial lift is at least as safe as it was
before modification.
Employers use the certification required in paragraph (a)(2) of the Standard as a record of
equipment modification and to demonstrate to interested parties (e.g., OSHA compliance
officers, renters, lessees, owners) that the modified aerial lift remains at least as safe for

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The purpose of this supporting statement is to analyze and describe the burden hours and cost associated
with the provisions of the Aerial Lifts Standard that contain the paperwork requirement, and does not provide
information or guidance on how to comply with or enforce this Standard.

employees, as the original equipment. Additionally, the certification provides the best
means by which an OSHA compliance officer can determine that the manufacturer or an equallyqualified entity assessed a field modified aerial lift and found that it was safe for use by, or near,
employees, and would provide employees with a level of protection at least equivalent to the
protection afforded by the lift in its original configuration. Finally, employees may review the
information on the certificate; such a review will provide them with information that they can
use to determine the safety of the modified lifts.
3. Describe whether, and to what extent, the collection of information involves the use of automated,
electronic, mechanical, or other technological collection techniques or other forms of information technology,
e.g., permitting electronic submission of responses, and the basis for the decision for adopting this means of
collection. Also describe any consideration of using information technology to reduce burden.

Employers may use improved information technology when establishing and maintaining the
required certification record. OSHA wrote the paperwork requirements of the Standard in
performance-oriented language, i.e., in terms of what data to collect, not how to collect the data.
4. Describe efforts to identify duplication. Show specifically why any similar information already available
cannot be used or modified for use for the purposes described in Item 2 above.

The requirement to collect and maintain information is specific to each employer and
employee involved, and no other source or agency duplicates the requirement or can make the
required information available to OSHA (i.e., the required information is available only from
employers).
5. If the collection of information impacts small businesses or other small entities (Item 5 of OMB Form 83-I),
describe any methods used to minimize burden.

The information collection requirement contained in this Standard does not have a significant
impact on a substantial number of small entities.
6. Describe the consequence to Federal program or policy activities if the collection is not conducted or is
conducted less frequently, as well as any technical or legal obstacles to reducing burden.

Employers must have the manufacturer or an equally-qualified entity certify each modification
made to an aerial lift only once. OSHA believes that this frequency is necessary to ensure that
modified lifts remain at least as safe as they were in their original configurations.
7. Explain any special circumstances that would cause an information collection to be conducted in a manner:
• Requiring respondents to report information to the agency more often than quarterly;
• Requiring respondents to prepare a written response to a collection of information in fewer than 30 days
after receipt of it;
• Requiring respondents to submit more than an original and two copies of any document;

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• Requiring respondents to retain records, other than health, medical, government contract, grant-inaid, or tax records for more than three years;
• In connection with a statistical survey, that is not designed to produce valid and reliable results that can be
generalized to the universe of study;
• Requiring the use of a statistical data classification that has not been reviewed and approved by OMB;
• That includes a pledge of confidentiality that is not supported by authority established in statute or
regulation, that is not supported by disclosure and data security policies that are consistent with the pledge, or
which unnecessarily impedes sharing of data with other agencies for compatible confidential use; or
• Requiring respondents to submit proprietary trade secret, or other confidential information unless the
agency can demonstrate that it has instituted procedures to protect the information's confidentiality to the
extent permitted by law.

No special circumstances exist that require employers to collect information in the manner, or
using the procedures, described in this item.
8. If applicable, provide a copy and identify the date and page number of publication in the Federal Register
of the agency's notice, required by 5 CFR 1320.8(d), soliciting comments on the information collection prior to
submission to OMB. Summarize public comments received in response to that notice and describe actions
taken by the agency in response to these comments. Specifically address comments received on cost and hour
burden.
Describe efforts to consult with persons outside the agency to obtain their views on the availability of data,
frequency of collection, the clarity of instructions and recordkeeping, disclosure, or reporting format (if any),
and on the data elements to be recorded, disclosed, or reported.
Consultation with representatives of those from whom information is to be obtained or those who must
compile records should occur at least once every 3 years, even if the collection-of-information activity is the
same as in prior periods. There may be circumstances that may preclude consultation in a specific situation.
These circumstances should be explained.

Pursuant to the Paperwork Reduction Act of 1995 (44 U.S.C. 3506(c)(2)(A)), OSHA published a
notice in the Federal Register on October 27, 2006 (71 FR 63037, Docket No. ICR-12180216(2007)) requesting public comment on its proposal to extend the Office of Management and
Budget’s approval of the information collection requirement found in the Aerial Lifts Standard
(29 CFR 1926.453). This notice was part of a preclearance consultation program that provided
the general public and government agencies with an opportunity to comment. The Agency
received no comments in response to its notice.
9. Explain any decision to provide any payment or gift to respondents, other than reenumeration of
contractors or grantees.

The Agency will not provide payments or gifts to the respondents.
10. Describe any assurance of confidentiality provided to respondents and the basis for the assurance in
statute, regulation, or agency policy.

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The paperwork requirement specified in this Standard does not require the collection of
confidential information.
11. Provide additional justification for any questions of a sensitive nature, such as sexual behavior and
attitudes, religious beliefs, and other matters that are commonly considered private. This justification should
include the reason why the agency considers the questions necessary, the specific uses to be made of the
information, the explanation to be given to persons from whom the information is requested, and any steps to
be taken to obtain their consent.

The paperwork requirement specified in this Standard does not require the collection of sensitive
information.
12. Provide estimates of the hour burden of the collection of information. The statement should:
• Indicate the number of respondents, frequency of response, annual hour burden, and an explanation of
how the burden was estimated. Unless directed to do so, agencies should not conduct special surveys to obtain
information on which to base hour burden estimates. Consultation with a sample (fewer than 10) of potential
respondents is desirable. If the hour burden on respondents is expected to vary widely because of differences
in activity, size, or complexity, show the range of estimated hour burden, and explain the reasons for the
variance. Generally, estimates should not include burden hours for customary and usual business practices.
• If this request for approval covers more than one form, provide separate hour burden estimates for each
form and aggregate the hour burdens in Item 13 of OMB Form 83-I.
• Provide estimates of annualized cost to respondents for the hour burdens for collections of information,
identifying and using appropriate wage-rate categories.

Burden-Hour and Cost Determinations
A. Number of aerial lifts
The Agency estimates that the number of aerial lifts regulated by 1926.453(a)(2) at some time
during calendar 2005 ranged between 97,000 and 108,000 machines. This range was reached by
using and estimating numbers from the Bureau of Census annual reports of construction
machinery shipped within the United States, by factoring in an industry accepted maximum
service life of 6 years (derived anecdotally) and by estimating distribution between construction
(80%) and other industries (20%).
OSHA consulted Bureau of Census Manufacturing Profiles (BCMF) for the years 1993 – 2005
and in particular looked at data for aerial work platforms, boom type self-propelled for 20002005. From these data the Agency derived a total population in the United States of 121,000
aerial lifts or 97,000 for construction (80% x 121,000 = 96,800). The Industry sources estimated
anecdotally about 135,000 aerial lifts or 108,000 for construction (80% x135,000 = 108,000).
These data produce a construction boom type aerial lift population range of 97,000 – 108,000 for
2005.
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The Agency also referred to the July-August 2006 edition of “Access International,” an
industry publication, which surveys aerial lift fleets world wide. The article, “Continental
Divide,” on pages 15-23 estimated that in 2005 rental companies with headquarters in the United
States had combined scissor and boom type aerial lift fleets totaling 181,000 units and for 2006
totaling 192,000. These fleet totals include domestically owned scissors lifts and boom type
aerial lifts which are not regulated by 1926.453(a)(2), including machines operated in Canada,
France and Mexico. It is not unreasonable to estimate that Access International’s survey totals
minus the number of machines operated outside 1926.453(a)(2)’s scope (for example those under
1910 and 1915 as well as those operated by sole proprietors) in the United States and minus the
number of machines operated outside the country produce results, which when divided between
scissors lifts and boom type aerial lifts, corroborates the BCMF and anecdotal industry range. In
addition, the large rental company fleet numbers suggest that the bulk of boom type lifts
operated in the United States are lease/rental machines. Thus, the number of boom type lifts
field modified by employers within the scope of 1926.453(a)(2) (i.e., for uses not intended by
manufacturers) is quite low. The Agency postulates, and is supported anecdotally by the
industry, that the low modification number is due to lease/rental contracts, policies, practices and
insurance concerns, as well as increasing machine sophistication.
OSHA also estimates, due to the increased sophistication of newer boom type lifts, which, not
only, extend basket reach and payload but increase the maneuverability of lift, boom, and basket,
as well as due to industry anecdotal comments, that the number of field modified aerial lifts has
declined to nearly none.
Considering the number of machines being leased/rented, the sophistication of the machines and
lease/rental contracts, policies, practices and insurance, as well as considering anecdotal
comments received, the Agency estimates that, in a given year, 1% (1 percent) of the machines
are field modified by employers for uses other than those intended by manufacturers. Therefore,
the number of field modified aerial lifts in 2005 ranged approximately from 970 to 1,080
machines or 1,025 machines, taking the average of the range.
OSHA believes that compiling and maintaining the equipment-modification certificates is a
usual and customary business practice performed by employers for equipment maintenance,
contractual, rental, leasing, insurance and liability purposes. Therefore, OSHA is not calculating
a paperwork burden for this requirement, except, OSHA is calculating a burden for disclosure of
the written certification to OSHA compliance officers during inspections.
B. Number of Inspections
To determine the burden hours, the Agency must determine how many times OSHA asks
employers using field modified aerial lifts to disclose their modification certifications pursuant to
1926.453 inspections. OSHA has no data on the number of inspections where OSHA will
request employers to disclose their field modified aerial lift certifications. Therefore, to
determine the number of inspections where certification disclosure requests would occur, the
Agency determined the yearly average number of construction inspections and divided that
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number by the yearly average number of construction employers. Both averages are
derived from the latest data available, OSHA inspection data for FY 1995-2005 and Census
Bureau, County Business Pattern employer data for FY 1995-2004.
From October 1, 1995 through September 30, 2005 Agency data show 456,512 construction
inspections nationwide. This number gives an annual average of 41,501 construction
inspections. From October 1, 1995 through September 30, 2004 County Business Pattern data
counts 6,960,000 construction employers nationwide yielding an annual average of 696,000
construction employers. Thus, approximately 6% of construction employers are likely to be
inspected in one year. Applying this percentage to the yearly average population of modified
aerial lifts, OSHA calculates approximately 62 field modified aerial lifts will be subjected to
inspection annually (6% x 1,025 field modified aerial lifts yields 62).
OSHA notes that this is likely an overestimation given the nationwide number of 1926.453(a)(2)
citations recorded from October 1, 1995, through September 30, 2005. OSHA’s database shows
142 citations nationwide over the eleven-year span or approximately 13 per year. OSHA’s
Integrated Management Information System (IMIS) does not give the Agency the ability to
determine how many of the projected field modified aerial lifts compliance officers see in a
given year or of that number how many sightings produced a .453(a)(2) records request, i.e.,
there are not IMIS records if the employer is in compliance with section .453(a)(2). However,
the citation number and rate suggest that the Agency inspects very few machines subject to
1926.453(a)(2). Consequently the Agency estimates the burden hour costs are extremely low to
the industry.
OSHA estimates that a construction worker, earning on average $28.65 in total compensation an
hour 2 , spends about 6 minutes (.1 hour) retrieving, copying and providing to the Agency each
certificate during an OSHA inspection, which results in a total annual regulatory burden to
employers of:
Burden hours: 62 lift inspections x .1 hour = 6.2 hours
Cost: 6.2 hours x $28.65 = $177.63
13. Provide an estimate of the total annual cost burden to respondents or recordkeepers resulting from the
collection of information. (Do not include the cost of any hour burden shown in item 12 and 14.)
• The cost estimate should be split into two components: (a) A total capital and start-up cost
component (annualized over its expected useful life); and (b) a total operation and maintenance and purchase
of services component. The estimates should take into account costs associated with generating, maintaining,
and disclosing or providing the information. Include descriptions of methods used to estimate major cost
factors including system and technology acquisition, expected useful life of capital equipment, the discount
rate(s), and the time period over which costs will be incurred. Capital and start-up costs include, among
2

The average hourly rate data for a construction worker, including benefits, are taken from the Employer
Costs for Employee Compensation – March 2006: News Release, Bureau of Labor Statistics.

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other items, preparations for collecting information such as purchasing computers and software;
monitoring, sampling, drilling and testing equipment; and record storage facilities.
If cost estimates are expected to vary widely, agencies should present ranges of cost burdens and explain the
reasons for the variance. The cost of purchasing or contracting out information collection services should be
a part of this cost burden estimate. In developing cost burden estimates, agencies may consult with a sample
of respondents (fewer than 10), utilize the 60-day pre-OMB submission public comment process and use
existing economic or regulatory impact analysis associated with the rulemaking containing the information
collection, as appropriate.
• Generally, estimates should not include purchases of equipment or services, or portions thereof, made:
(1) Prior to October 1, 1995; (2) to achieve regulatory compliance with requirements not associated with the
information collection; (3) for reasons other than to provide information or keep records for the government;
or (4) as part of customary and usual business or private practices.

Item 12 lists the total cost to employers of complying with the certification requirement specified
in this standard.
14. Provide estimates of the annualized cost to the Federal Government. Also provide a description of the
method used to estimate cost, which should include quantification of hours, operational expenses (such as
equipment, overhead, printing and support staff), and any other expense that would not have been incurred
without this collection of information. Agencies also may aggregate cost estimates from Items 12, 13, and 14
into single table.

The Agency estimates that a compliance officer (GS-12/5), at an hourly wage rate of $36.26
spends 5 minutes (.08 hour) during each inspection reviewing records maintained by employers
covered by the Standard. OSHA will inspect about 62 or fewer of these field modified lifts
annually. The Agency considers other expenses, such as equipment, overhead, and support staff
salaries, as normal operating expenses that would occur without the collection-of-information
requirement specified in the Standard.
Cost: 62 inspections x .08 hour x $36.26= $180
15. Explain the reasons for any program changes or adjustments reported in Items 13 or 14 of the OMB Form
83-I.

The Agency is requesting a decrease of 9 hours, from 15 hours to 6 hours. The Agency
decreased the number of lifts being inspected from 300 lifts to 62 lifts. In addition, the Agency
increased the amount of time for employers to provide the written certification to OSHA during
an inspection from three minutes to six minutes.
16. For collections of information whose results will be published, outline plans for tabulations and
publication. Address any complex analytical techniques that will be used. Provide the time schedule for the
entire project, including beginning and ending dates of the collection of information, completion of the report,
publication dates, and other actions.

OSHA will not publish the information collected under this Standard.
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17. If seeking approval to not display the expiration date for OMB approval of the information collection,
explain the reasons that display would be inappropriate.

No forms are available for the Agency to display the expiration date.
18. Explain each exception to the certification statement identified in Item 19, “Certification for Paperwork
Reduction Act Submissions,” of OMB Form 83-I.

OSHA is not seeking an exception to the certification statement in item 19, of the OMB 83-I.

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